Bristol Compressor H21B273ABCJ

08/12/2020

Disassembly steps and installation precautions of central air conditioning

Air conditioners have been in our lives for a long time. The central air conditioners installed in some homes or other places may be very old. It is time to disassemble, repair, or replace them.

08/14/2020

Selection requirements for cold storage refrigerants

The nature of the refrigerant will directly affect the type, structure, size and operating characteristics of the refrigerator, as well as the form, equipment structure, and economic and technical performance of the refrigeration cycle.

09/07/2020

The technical knowledge of these three types of screw air compressors must be mastered by sales engineers

Sales engineers need to understand the basic principles of air compressors. I believe that the company has given a brief introduction after joining, so I won’t repeat them. If you still don’t understand, you can consult books.

05/17/2023

How to Add Oil to AC Compressor

When the all-in-one air conditioner leaves the factory, there is a sufficient amount of AC compressor oil (commonly known as refrigeration oil, refrigerant oil, AC lubricants, AC oil) inside the machine.

08/08/2020

Selection and calculation of differential pressure regulating valve for central air-conditioning chilled water system

In order to ensure that the flow of the chiller in the central air-conditioning chilled water system is basically constant; the operating conditions of the chilled water pump are stable,

09/07/2020

How to choose the eight factors of air filter price

1. Air filter price: Before installing the high-efficiency air filter, the clean room must be thoroughly cleaned and wiped. If there is dust in the purifying air conditioning system, it should be cleaned and wiped again to meet the cleaning requirements. 　　1. Air filter price: Before installing the high-efficiency air filter, the clean room must be thoroughly cleaned and wiped. If there is dust in the purifying air conditioning system, it should be cleaned and wiped again to meet the cleaning requirements.

07/28/2022

Troubleshooting of Vane Pump

When we use vane pumps, we often encounter some vane pump failures, but we don't know how to solve them? Let me tell you something about how to solve the vane pump failures.

09/04/2020

Factors affecting the use of oil-free air compressors

The oil-free air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover into gas pressure energy and is a pressure generating device for compressed air. The factors that affect its use are:

07/17/2020

Piston compressor use and maintenance technology

Preparation before start-up: Operation, repair and maintenance must be carried out by self-made people. The compressor should be unsealed and cleaned before use, and check whether there is rust on each friction surface. The rust phenomenon should be cleaned with oilstone grinding and clean, and the friction surface should be coated with lubricating oil after unsealing.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth